发明名称 Cardboard concrete forming system
摘要 A concrete form and forming system beginning as a flat cardboard sheet, the sheet being pre-creased to allow a user to easily fold the sheet into a form for accepting poured concrete, The form may have measuring indicia marked on it for easy measuring, and has holes formed in it for accepting rebar which may be introduced into the form to stabilize both the form and the eventual concrete foundation. In one embodiment the form has an upside-down T-shape.
申请公布号 US2006180732(A1) 申请公布日期 2006.08.17
申请号 US20060336921 申请日期 2006.01.23
申请人 LAWRENCE MARK A 发明人 LAWRENCE MARK A.
分类号 E04G13/00;B28B7/02;B28B19/00;B32B29/08 主分类号 E04G13/00
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